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 <front>
  <journal-meta>
   <journal-id journal-id-type="publisher-id">Food Processing: Techniques and Technology</journal-id>
   <journal-title-group>
    <journal-title xml:lang="en">Food Processing: Techniques and Technology</journal-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Техника и технология пищевых производств</trans-title>
    </trans-title-group>
   </journal-title-group>
   <issn publication-format="print">2074-9414</issn>
   <issn publication-format="online">2313-1748</issn>
  </journal-meta>
  <article-meta>
   <article-id pub-id-type="publisher-id">65722</article-id>
   <article-id pub-id-type="doi">10.21603/2074-9414-2023-2-2438</article-id>
   <article-categories>
    <subj-group subj-group-type="toc-heading" xml:lang="ru">
     <subject>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject>
    </subj-group>
    <subj-group subj-group-type="toc-heading" xml:lang="en">
     <subject>ORIGINAL ARTICLE</subject>
    </subj-group>
    <subj-group>
     <subject>ОРИГИНАЛЬНАЯ СТАТЬЯ</subject>
    </subj-group>
   </article-categories>
   <title-group>
    <article-title xml:lang="en">Evaporation as a Method for Obtaining Plant Concentrates</article-title>
    <trans-title-group xml:lang="ru">
     <trans-title>Исследование процесса выпаривания для получения концентратов из растительного сырья</trans-title>
    </trans-title-group>
   </title-group>
   <contrib-group content-type="authors">
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-2397-8696</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Куликова</surname>
       <given-names>Наталия Евгеньевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Kulikova</surname>
       <given-names>Nataliya E.</given-names>
      </name>
     </name-alternatives>
     <email>nataliyakulikova67@mail.ru</email>
     <bio xml:lang="ru">
      <p>кандидат технических наук;</p>
     </bio>
     <bio xml:lang="en">
      <p>candidate of technical sciences;</p>
     </bio>
     <xref ref-type="aff" rid="aff-1"/>
     <xref ref-type="aff" rid="aff-2"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7233-3603</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Чернобровина</surname>
       <given-names>Антонина Григорьевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Chernobrovina</surname>
       <given-names>Antonina G.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-3"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1321-8354</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Роева</surname>
       <given-names>Наталья Николаевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Roeva</surname>
       <given-names>Natalia N.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-4"/>
    </contrib>
    <contrib contrib-type="author">
     <contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-8147-0893</contrib-id>
     <name-alternatives>
      <name xml:lang="ru">
       <surname>Попова</surname>
       <given-names>Ольга Юрьевна</given-names>
      </name>
      <name xml:lang="en">
       <surname>Popova</surname>
       <given-names>Olga Yu.</given-names>
      </name>
     </name-alternatives>
     <xref ref-type="aff" rid="aff-5"/>
    </contrib>
   </contrib-group>
   <aff-alternatives id="aff-1">
    <aff>
     <institution xml:lang="ru">Российский биотехнологический университет</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Russian Biotechnological University</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-2">
    <aff>
     <institution xml:lang="ru">Военный учебно-научный центр военно-воздушных сил «Военно-воздушная академия имени профессора Н. Е. Жуковского и Ю. А. Гагарина»</institution>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Military Educational and Scientific Centre of the Air Force «Professor N.E. Zhukovsky and Y.A. Gagarin Air Force Academy»</institution>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-3">
    <aff>
     <institution xml:lang="ru">Российский биотехнологический университет</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Russian Biotechnological University</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-4">
    <aff>
     <institution xml:lang="ru">Российский биотехнологический университет</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Russian Biotechnological University</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <aff-alternatives id="aff-5">
    <aff>
     <institution xml:lang="ru">Российский биотехнологический университет</institution>
     <city>Москва</city>
     <country>Россия</country>
    </aff>
    <aff>
     <institution xml:lang="en">Russian Biotechnological University</institution>
     <city>Moscow</city>
     <country>Russian Federation</country>
    </aff>
   </aff-alternatives>
   <pub-date publication-format="print" date-type="pub" iso-8601-date="2023-06-23T09:09:29+03:00">
    <day>23</day>
    <month>06</month>
    <year>2023</year>
   </pub-date>
   <pub-date publication-format="electronic" date-type="pub" iso-8601-date="2023-06-23T09:09:29+03:00">
    <day>23</day>
    <month>06</month>
    <year>2023</year>
   </pub-date>
   <volume>53</volume>
   <issue>2</issue>
   <fpage>335</fpage>
   <lpage>346</lpage>
   <history>
    <date date-type="received" iso-8601-date="2022-06-14T00:00:00+03:00">
     <day>14</day>
     <month>06</month>
     <year>2022</year>
    </date>
    <date date-type="accepted" iso-8601-date="2022-11-08T00:00:00+03:00">
     <day>08</day>
     <month>11</month>
     <year>2022</year>
    </date>
   </history>
   <self-uri xlink:href="https://fptt.ru/en/issues/21711/21749/">https://fptt.ru/en/issues/21711/21749/</self-uri>
   <abstract xml:lang="ru">
    <p>Выпаривание в специальных вакуум-выпарных аппаратах в условиях пониженного давления является эффективным способом получения сухих концентратов. Однако существуют факторы, влияющие на эффективность и скорость упаривания. Цель исследования заключалась в изучении влияния технологических факторов на процесс упаривания в ротационном испарителе, а также в подборе оптимального режима и его применении для получения концентратов и экстрактов из растительного сырья. &#13;
Экспериментальные исследования выполнили на лабораторном ротационном испарителе BUCHI Rotavapor (BUCHI, Швейцария). Упариванию подвергали водно-спиртовой экстракт ягод черники лесной и ферментативный гидролизат зернового сорго, полученный путем биотехнологической обработки амилолитическими ферментными препаратами. В работе применяли стандартные методы исследований. &#13;
В результате проведенных исследований выявили основные закономерности и определили оптимальные значения эффективного режима упаривания с использованием ротационного испарителя: объем испарительной колбы – 1 л, толщина стенок колбы – 1,8 мм, угол наклона – 25°, скорость вращения – 280 об/мин, температура нагревательной бани – 50–60 °С, температура пара в испарителе – 30–40 °С (для его конденсации температура хладагента в конденсаторе составила 10–20 °С). Получили концентрат ягод черники лесной насыщенного сине-фиолетового цвета с содержанием сухих веществ 70–72 % и повышенным содержанием полифенольных соединений (в 1,86 раз) и антоцианов (1,4 раза) по сравнению с исходным водно-спиртовой экстрактом. Из ферментативного гидролизата зернового сорго получили сгущенный сахарный сироп с содержание сухих веществ 78–80 % и редуцирующих сахаров в пересчете на глюкозный эквивалент 91–92 %. &#13;
Подобраны оптимальные режимы упаривания экстрактов и ферментативных гидролизатов из растительного сырья с использованием ротационного испарителя. Получили растительные концентраты с высоким содержанием сухих веществ и сохранением органолептических характеристик исходного продукта.</p>
   </abstract>
   <trans-abstract xml:lang="en">
    <p>Low-pressure vacuum evaporation is an effective way to obtain dry concentrates. However, some factors may affect its efficiency and speed. This article introduces the effect of technological factors on the evaporation process in a rotary evaporator. The research objective was to select the optimal mode to obtain concentrates and extracts from plant materials.&#13;
The experimental studies involved standard research methods and a BUCHI Rotavapor laboratory rotary evaporator (BUCHI, Switzerland). The research featured a water-alcohol extract of wild blueberries and an enzymatic hydrolysate of grain sorghum (durra), obtained by biotechnological treatment with amylolytic enzyme preparations. &#13;
The optimal evaporation mode included the following values: the volume of the evaporation flask was 1 L; the wall thickness of the flask was 1.8 mm; the angle of inclination was 25°; the rotation speed was 280 rpm; the temperature heating bath was 50–60°C; the steam temperature in the evaporator was 30–40°C. For condensation, the temperature of the refrigerant in the condenser was 10–20°C. The experiment yielded a concentrate of blue-violet blueberries with 70–72% solids. The content of polyphenolic compounds was 1.86 times as high as in the original water-alcohol extract while that of anthocyanins was 1.4 times as high. The enzymatic hydrolysate of grain sorghum yielded a condensed sugar syrup with 78–80% solids and 91–92% reducing sugars in terms of glucose equivalent.&#13;
The research provided optimal modes of evaporation for extracts and enzymatic hydrolysates from plant raw materials in a rotary evaporator. The plant concentrates had a high content of solids and maintained the sensory properties of the raw material.</p>
   </trans-abstract>
   <kwd-group xml:lang="ru">
    <kwd>Ротационный испаритель</kwd>
    <kwd>упаривание</kwd>
    <kwd>ферментативный гидролизат</kwd>
    <kwd>водно-спиртовой экстракт</kwd>
    <kwd>концентрат</kwd>
    <kwd>растительное сырье</kwd>
   </kwd-group>
   <kwd-group xml:lang="en">
    <kwd>Rotary evaporator</kwd>
    <kwd>evaporation</kwd>
    <kwd>enzymatic hydrolysate</kwd>
    <kwd>extract</kwd>
    <kwd>concentrate</kwd>
    <kwd>vegetable raw materials</kwd>
   </kwd-group>
  </article-meta>
 </front>
 <body>
  <p></p>
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